| ! Test complex munbers |
| program testcmplx |
| implicit none |
| complex(kind=4) c, d |
| complex(kind=8) z |
| real(kind=4) x, y |
| real(kind=8) q |
| |
| ! cmplx intrinsic |
| x = 3 |
| y = 4 |
| c = cmplx(x,y) |
| if (c .ne. (3.0, 4.0)) STOP 1 |
| x = 4 |
| y = 3 |
| z = cmplx(x, y, 8) |
| if (z .ne. (4.0, 3.0)) STOP 2 |
| z = c |
| if (z .ne. (3.0, 4.0)) STOP 3 |
| |
| ! dcmplx intrinsic |
| x = 3 |
| y = 4 |
| z = dcmplx (x, y) |
| if (z .ne. (3.0, 4.0)) STOP 4 |
| |
| ! conjucates and aimag |
| c = (1.0, 2.0) |
| c = conjg (c) |
| x = aimag (c) |
| if (abs (c - (1.0, -2.0)) .gt. 0.001) STOP 5 |
| if (x .ne. -2.0) STOP 6 |
| z = (2.0, 1.0) |
| z = conjg (z) |
| q = aimag (z) |
| if (z .ne. (2.0, -1.0)) STOP 7 |
| if (q .ne. -1.0) STOP 8 |
| |
| ! addition, subtraction and multiplication |
| c = (1, 3) |
| d = (5, 2) |
| if (c + d .ne. ( 6, 5)) STOP 9 |
| if (c - d .ne. (-4, 1)) STOP 10 |
| if (c * d .ne. (-1, 17)) STOP 11 |
| |
| ! test for constant folding |
| if ((35.,-10.)**0.NE.(1.,0.)) STOP 12 |
| end program |
